Simera Professional Key (SPK)

Jonathan A

Costa Rica

Senior Full Stack Developer

$ 5,700/month

10+ yrs exp

I’m a Senior Full Stack Developer with over 12 years of experience designing, developing, and maintaining enterprise applications using Microsoft technologies. My primary expertise is in C#, .NET, ASP.NET Core, REST APIs, SQL Server, Entity Framework, and Angular. Throughout my career, I’ve worked on business-critical applications, focusing on building reliable backend services, improving system performance, troubleshooting production issues, and delivering high-quality software in Agile envi…

Skills

  • AngularJS
  • CI/CD
  • CSS
  • CSS3
  • DevOps
  • Distributed Systems
  • Entity Framework
  • Git
  • HTML
  • HTML5
  • JavaScript
  • Microservice
  • PostgreSQL
  • Service-Oriented Architecture (SOA)
  • SQL
  • Typescript
  • JavaScript ES6
  • .NET Core
  • Angular
  • C#
  • Full Stack Developer
  • Microservices
  • Software Developer
  • Swagger
  • RESTful APIs
  • CICD
  • CSS 3
  • Clean Architecture
  • Angular+17
  • Cloud Architecture
  • REST APIs
  • MSQL
  • Fullstack developer
  • CRM Architecture
  • OWASP
  • Clean Architech
  • Microservicios
  • Fullstack Development
  • Entity Framework Core
  • Full Stack Development
  • Type Script
  • Agile / Scrum
  • Agile/Scrum
  • MVC Architecture

Jonathan A

Costa Rica

Senior Full Stack Developer

$ 5,700 /month

10+ yrs exp

I’m a Senior Full Stack Developer with over 12 years of experience designing, developing, and maintaining enterprise applications using Microsoft technologies. My primary expertise is in C#, .NET, ASP.NET Core, REST APIs, SQL Server, Entity Framework, and Angular. Throughout my career, I’ve worked on business-critical applications, focusing on building reliable backend services, improving system performance, troubleshooting production issues, and delivering high-quality software in Agile envi…

Skills

  • AngularJS
  • CI/CD
  • CSS
  • CSS3
  • DevOps
  • Distributed Systems
  • Entity Framework
  • Git
  • HTML
  • HTML5
  • JavaScript
  • Microservice
  • PostgreSQL
  • Service-Oriented Architecture (SOA)
  • SQL
  • Typescript
  • JavaScript ES6
  • .NET Core
  • Angular
  • C#
  • Full Stack Developer
  • Microservices
  • Software Developer
  • Swagger
  • RESTful APIs
  • CICD
  • CSS 3
  • Clean Architecture
  • Angular+17
  • Cloud Architecture
  • REST APIs
  • MSQL
  • Fullstack developer
  • CRM Architecture
  • OWASP
  • Clean Architech
  • Microservicios
  • Fullstack Development
  • Entity Framework Core
  • Full Stack Development
  • Type Script
  • Agile / Scrum
  • Agile/Scrum
  • MVC Architecture

Senior Full Stack Developer

IBM
January 2022 - January 2026

Maintained and enhanced enterprise automation solutions and distributed environments supporting IBM data center operations. Developed and maintained backend services and automation processes focused on operational reliability, system efficiency, and business support. Reduced manual testing efforts by 35% by implementing automation improvements and optimizing validation processes. Collaborated with security teams to support compliance with enterprise security and operational standards. Investigated and resolved production incidents affecting backend services, automation workflows, and enterprise operations. Participated in technical discussions, solution implementation, and continuous improvement initiatives within Agile development teams.

Senior Full Stack Developer

MSD
January 2021 - January 2022

Analyzed business requirements and translated them into technical solutions and application enhancements for development teams. Developed and enhanced internal applications and backend processes supporting enterprise business operations. Collaborated with cross-functional teams to improve development efficiency, streamline delivery processes, and reduce delivery times by 20%. Implemented application enhancements and resolved production issues affecting internal systems and backend processes. Contributed to technical discussions, solution planning, effort estimations, and implementation activities within Agile teams.

Full Stack Developer

Intel
January 2016 - January 2021

Maintained and enhanced enterprise payroll applications supporting users across the Americas region. Developed and maintained internal applications and backend processes supporting enterprise HR and payroll operations. Analyzed and resolved production issues impacting backend services, application stability, and operational workflows. Collaborated with stakeholders to analyze requirements, implement application improvements, and support operational needs.

Software Developer

Infotree Services
January 2015 - January 2016

Maintained and supported enterprise payroll applications and backend processes in production environments. Investigated production issues and implemented technical solutions to improve application stability and operational efficiency. Collaborated with internal teams and stakeholders to troubleshoot application issues and support ongoing system improvements.

Software Developer

Dinámica Consultores
January 2013 - January 2015

Developed and maintained custom software solutions and business applications for multiple clients. Analyzed business requirements and transformed them into functional application solutions and system enhancements. Participated in application support, troubleshooting, maintenance, and continuous improvement activities.

Software Developer

S-COM S.A
January 2012 - January 2013

Developed and supported business applications and backend solutions for multiple clients across different business environments. Participated in requirements analysis, troubleshooting, issue resolution, and application support activities to improve system functionality and operational efficiency.

Smart Scores

Communication
80
Role Fit
100
Adaptability
70
Problem-solving
90

Smart Skills

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